High severity · published Feb 22, 2024
CVE-2024-1563
An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race…
8.1
CVSS
0.4%
EPSS
No
On KEV
Description
An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS < 122.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
Firefox Focus · Mozilla
before 122.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-1563
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-1563
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1863831
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-09/
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